Home / 16,090.67-22,205.09-9,803.05

Finding the Fourth Proportional to 16,090.67, 22,205.09 and 9,803.05

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Solution

The fourth proportional to 16,090.67, 22,205.09 and 9,803.05 is: 13,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,090.67 : 22,205.09 = 9,803.05 : x
  2. Step 2: Convert to fraction form
    16,090.67/22,205.09 = 9,803.05/x
  3. Step 3: Cross multiply
    16,090.67x = 22,205.09 × 9,803.05
  4. Step 4: Simplify right side
    16,090.67x = 217,677,607.52
  5. Step 5: Solve for x
    x = 217,677,607.52/16,090.67
  6. Step 6: Final answer
    x = 13,528.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.